Sc. Obs. [MAIL sb.2] A rent charged upon a piece of water.
1455. Sc. Acts Jas. II. (1814), II. 42/2. Þe lordschippe of Abernethy with þe watter malys of Inuerness.
1488. Reg. Mag. Sig. Scot., 381/1. Dicto duci hereditarie pertinentem de magnis custumis et aquarum firmis nuncupatis le Water Malez burgi de Aberdene.
1500. Exch. Rolls Scot., XI. 266, note. The yerlie pensioun gevin to hir of the custumez and water malis of oure said burrowis.
c. 1550. Registr. Abordon. (Maitland Club), II. 212. [Dedit] xx s. de custumis Abirdonensibus videlicet de ly vatir malis.